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Power Reactors (Division 1): Regulatory Guides 1.221 - 1.250

This page lists the number, title, publication date, and revisions for each regulatory guide in Division 1, "Power Reactors," with references to draft guides and related documents (where applicable).

See also Draft Regulatory Guides for Division 1.

See NRC Regulatory Guides for more general information.

Regulatory Guides are reviewed about every 10 years, although a guide may be reviewed more frequently if the staff believes an emerging issue affects the guide. The NRC began these reviews in 2010, and began posting the results of its reviews on this site in 2013. The review dates are hyperlinked to the review memorandum, which provide useful information about the status and any known issues with the associated regulatory guide.

Guide
Number
Title Revision
Number
Issue
Date
Current
Status
1.221

Design-Basis Hurricane and Hurricane Missiles for Nuclear Power Plants

0 10/2011 Reviewed in 2016 – No issues identified
1.222

Conducting Periodic Testing for Breakaway Oxidation Behavior

DG 03/2014 Draft of proposed RG available
1.223

Testing for Postquench Ductility

DG 03/2014 Draft of proposed RG available
1.224

Establishing Analytical for Zirconium Based Alloy Cladding

DG 03/2014 Draft of proposed RG available
1.225 (Not Issued)      
1.226

Flexible Mitigation Strategies for Beyond-Design-Basis Events

0 06/2019  
1.227

Wide-Range Spent Fuel Pool Level Instrumentation

0 06/2019  
1.228

Integrated Response Capabilities for Beyond-Design Basis Events

DG 11/2015 Draft of proposed RG available
1.229

Alternative Risk-Informed Approach for Addressing the Effects of Debris on Post Accident Long-Term Core Cooling

DG 04/2015 Draft of proposed RG available
1.230

Regulatory Guidance on the Alternate Pressurized Thermal Shock Rule

0 09/2018  
1.231

Acceptance of Commercial-Grade Design and Analysis Computer Programs Used in Safety-Related Applications for Nuclear Power Plants

0 12/2016  
1.232

Developing Principal Design Criteria for Non-Light Water Reactors

0 04/2018  
1.233

Guidance for a Technology-Inclusive, Risk-Informed, and Performance-Based Methodology to Inform the Licensing Basis and Content of Applications for Licenses, Certifications, and Approvals for Non-Light Water Reactors

0 06/2020  
1.234

Evaluating Deviations and Reporting Defects and Noncompliance Under 10 CFR Part 21

0 04/2018  
1.235

Emergency Planning for Decommissioning Power Reactors

DG 06/2018 Draft of proposed RG now available
1.236

Pressurized-Water Reactor Control Rod Ejection and Boiling-Water Reactor Control Rod Drop Accidents

0 06/2020  
1.237

Guidance for Changes during Construction for New Nuclear Power Plants licensed under 10 CFR Part 52

DG 03/2014 Draft of proposed RG now available
1.238 (Not Issued)      
1.239

Dispositioning of Technical Specifications that are Insufficient to Ensure Plant Safety

DG 06/2018 Draft of proposed RG now available
1.240

Fresh and Spent Fuel Pool Criticality Analysis

DG 08/2020 Draft of proposed RG now available

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Page Last Reviewed/Updated Wednesday, October 14, 2020